public void Check_Seat_Availability() { List <Plane> planes = new List <Plane>(); planes.Add(new Plane { Id = 123, Name = "Golden C3P-O", NumberOfSeats = 3 }); planes.Add(new Plane { Id = 124, Name = "Stormtrooper FN-11", NumberOfSeats = 5 }); var madridToPrague = new FlightRoute("Madrid", "Prague") { BaseCost = 80, BasePrice = 150, LoyaltyPointsGained = 10, MinimumTakeOffPercentage = 0.5 }; var scheduledFlight = new ScheduledFlight(madridToPrague); scheduledFlight.SetAircraftForRoute(planes[0]); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.General, Name = "George", Age = 23, AllowedBags = 1 }); scheduledFlight.Passengers.Add(new Passenger { Type = PassengerType.LoyaltyMember, Name = "Luke", Age = 33, LoyaltyPoints = 1500, IsUsingLoyaltyPoints = true, AllowedBags = 2 }); var seatsTaken = scheduledFlight.Passengers.Count(); Assert.True(scheduledFlight.CheckSeatsTaken(seatsTaken, planes)); }